class_docstr: Not a proper class, more a 'struct' to bundle important
  information about a particular run
docstr: in case somebody wants to use it like a dictionary
docstr_tok: ["in","case","somebody","wants","to","use","it","like","a","dictionary"]
code: def __getitem__(self, k):
      """
      in case somebody wants to use it like a dictionary
      """
      return getattr(self, k)
  
imports: import copy
  import os
  import json
  from hpbandster.core.base_iteration import Datum
label_desc: Use image node_id 3 for calling the Run obj's underlying member method code with example usage: obj.__getitem__(k) and returns: getattr